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Commit d0103158 authored by Florian Westphal's avatar Florian Westphal Committed by Pablo Neira Ayuso
Browse files

netfilter: nf_tables: merge exthdr expression into nft core 



before:
   text    data     bss     dec     hex filename
   5056     844       0    5900    170c net/netfilter/nft_exthdr.ko
 102456    2316     401  105173   19ad5 net/netfilter/nf_tables.ko

after:
 106410    2392     401  109203   1aa93 net/netfilter/nf_tables.ko

Signed-off-by: default avatarFlorian Westphal <fw@strlen.de>
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent ae1bc6a9

include/net/netfilter/nf_tables_core.h

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ extern struct nft_expr_type nft_dynset_type; 
extern struct nft_expr_type nft_range_type;

extern struct nft_expr_type nft_meta_type;

extern struct nft_expr_type nft_rt_type;

extern struct nft_expr_type nft_exthdr_type;



int nf_tables_core_module_init(void);

void nf_tables_core_module_exit(void);

net/netfilter/Kconfig

+0 −6
Original line number Diff line number Diff line
@@ -474,12 +474,6 @@ config NF_TABLES_NETDEV 
	help

	  This option enables support for the "netdev" table.



config NFT_EXTHDR

	tristate "Netfilter nf_tables exthdr module"

	help

	  This option adds the "exthdr" expression that you can use to match

	  IPv6 extension headers and tcp options.



config NFT_NUMGEN

	tristate "Netfilter nf_tables number generator module"

	help

net/netfilter/Makefile

+1 −2
Original line number Diff line number Diff line
@@ -76,11 +76,10 @@ obj-$(CONFIG_NF_DUP_NETDEV) += nf_dup_netdev.o 
nf_tables-objs := nf_tables_core.o nf_tables_api.o nft_chain_filter.o \

		  nf_tables_trace.o nft_immediate.o nft_cmp.o nft_range.o \

		  nft_bitwise.o nft_byteorder.o nft_payload.o nft_lookup.o \

		  nft_dynset.o nft_meta.o nft_rt.o

		  nft_dynset.o nft_meta.o nft_rt.o nft_exthdr.o



obj-$(CONFIG_NF_TABLES)		+= nf_tables.o

obj-$(CONFIG_NFT_COMPAT)	+= nft_compat.o

obj-$(CONFIG_NFT_EXTHDR)	+= nft_exthdr.o

obj-$(CONFIG_NFT_NUMGEN)	+= nft_numgen.o

obj-$(CONFIG_NFT_CT)		+= nft_ct.o

obj-$(CONFIG_NFT_FLOW_OFFLOAD)	+= nft_flow_offload.o

net/netfilter/nf_tables_core.c

+1 −0
Original line number Diff line number Diff line
@@ -253,6 +253,7 @@ static struct nft_expr_type *nft_basic_types[] = { 
	&nft_range_type,

	&nft_meta_type,

	&nft_rt_type,

	&nft_exthdr_type,

};



int __init nf_tables_core_module_init(void)

net/netfilter/nft_exthdr.c

+2 −21
Original line number Diff line number Diff line
@@ -10,11 +10,10 @@ 


#include <asm/unaligned.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/netlink.h>

#include <linux/netfilter.h>

#include <linux/netfilter/nf_tables.h>

#include <net/netfilter/nf_tables_core.h>

#include <net/netfilter/nf_tables.h>

#include <net/tcp.h>
@@ -353,7 +352,6 @@ static int nft_exthdr_dump_set(struct sk_buff *skb, const struct nft_expr *expr) 
	return nft_exthdr_dump_common(skb, priv);

}



static struct nft_expr_type nft_exthdr_type;

static const struct nft_expr_ops nft_exthdr_ipv6_ops = {

	.type		= &nft_exthdr_type,

	.size		= NFT_EXPR_SIZE(sizeof(struct nft_exthdr)),
@@ -407,27 +405,10 @@ nft_exthdr_select_ops(const struct nft_ctx *ctx, 
	return ERR_PTR(-EOPNOTSUPP);

}



static struct nft_expr_type nft_exthdr_type __read_mostly = {

struct nft_expr_type nft_exthdr_type __read_mostly = {

	.name		= "exthdr",

	.select_ops	= nft_exthdr_select_ops,

	.policy		= nft_exthdr_policy,

	.maxattr	= NFTA_EXTHDR_MAX,

	.owner		= THIS_MODULE,

};
 


static int __init nft_exthdr_module_init(void)

{

	return nft_register_expr(&nft_exthdr_type);

}



static void __exit nft_exthdr_module_exit(void)

{

	nft_unregister_expr(&nft_exthdr_type);

}



module_init(nft_exthdr_module_init);

module_exit(nft_exthdr_module_exit);



MODULE_LICENSE("GPL");

MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");

MODULE_ALIAS_NFT_EXPR("exthdr");